Rotary printing press



Aug. 9, 1932. TERREY 1,870,759

ROTARY PRINTING PRESS in l Filed April 1:5. 1929 2 sheets-sheet 1 Fig. 1.

Aug. 9, 1932 TERREY 1,870,759.

ROTARY PRINTING PRE SS inal Filed April 15. 1929 2 Sheets-Sheet 2 WZ M Patented Aug. 9, 1932 I 1,870,759

UNITED STATES PATENT OFFICE ARTHUR TERREY, OF LONDON, ENGLAND ROTARY J ERINTING PRESS Application filed April 13, 1929, Serial No. 354,951, and in Great Britain April 19, 1928. Renewed December 31, 1931.

This invention relates to rotary perfecting pression roller (1 and thence takes a path presses of the type having a single deck, comabove the deck and through the loop formed prising two type cylinders each coacting with by the web a, by virtue of the turnerbars e. two or more impression cylinders, and par- 6 (see Figure 4) to the second impression ticularly to such presses of the unit or low cylinder d where it receives its second im-' 55 construction type. pression, and soon to its separate folder.

I am aware it has been proposed to con- It will be seen that by diverting the web a, struct a press of the above mentioned type a loop or clearance is effected throughwhich in which one perfected web has been deflected the web Z) can pass freely for its second printout of its path to permit the crossing over ing, and further'the crossing of the webs takeso of a web printed on one side only in its pasplace within the press.

sage to receive its second impression. It is obvious that it is essential for onewebt The object of this invention is to provide pass the other owing to the direction of rotaan improved construction of press. tionof the cylinders and also to the fact that is To this end, in a rotary perfecting press each web must carry an inner and'outer im- 5 of the abovementioned type, the two webs are pression. V V perfected simultaneously, the webs being With a rotary printing press constructed in caused to pass or cross one another when accordance with this invention, it will be obprinted with oneimpression only while trav served that two machines have been combined g0 elling from one impression cylinder to into one thus doubling the printing capacity 70 the other for receiving impressions on both and output of each deck, and, with the addisides thereof. V tion of other folders to themachine, two sets The webs of paper may enter either at the of the same product are delivered. 1

top or bottom of the press. Furthermore, the running speed being nor- The invention will now be described with mal, the output is increased twofold at a safe I6 reference to the accompanying diagramspeed and without affecting the quality of matic drawings, in which Figure 1 is a front the print. elevation of one form of perfecting press 0011- What I claim is structed in accordance, with this invention; '1. A perforating press of the character de- Y Figures 2 and 3 are plan and side elevation scribed comprising a pair of printing cylin- 30 respectively, and Figure 4 is a perspective ders, means for feeding a web to each-print View of a detail. ing cylinder in a separate path, and turner a and b are two webs of paper run in at the bars and rollers for guiding the webs to pass bottom of the deck. and cross over each other, whereby each web The web a is passed from the reel (not may be led from one printing cylinder to the shown) to the first impression cylinder (Z other for simultaneously receiving an impreswhere it receives its print from the usual type sion upon both sides thereof. cylinder 0. After leaving the cylinder (Z the 2. A perfecting press of the character de- 7 web passes above the deck to the first turner scribed comprising a pairof diametrically op- 10 bar 6, where it obtains a right angled turn, to posed printing cylinders, means forfeeding a the roller Returning from said roller, the web to each printing cylinder in a separate web takes another rlght angled turn, by passpath, and means for guiding one of the webs ing over the second turner bar 6 and thus to pass and cross over the other, whereby each regains its original position. On leaving the web may be led from one printing cylinder to -15 said turner bar e, the web then passes over that diametrically opposed for simultaneousthe rollers g and h to the second impression ly receiving an impression on both sides cylinder d where it is perfected, and from thereof. 7 there it is taken to the usual folder. In testimony whereof he afiixeshis signa- Similarly with the running of the web a, ture.

5 the web 6 passes from its reel to its first im- ARTHUR TERREY. '100 

